package com.sky.mapper;

import com.github.pagehelper.Page;
import com.sky.annotation.AutoFill;
import com.sky.dto.DishPageQueryDTO;
import com.sky.entity.Dish;
import com.sky.entity.SetmealDish;
import com.sky.enumeration.OperationType;
import com.sky.vo.DishVO;
import org.apache.ibatis.annotations.Delete;
import org.apache.ibatis.annotations.Mapper;
import org.apache.ibatis.annotations.Select;
import org.springframework.beans.factory.annotation.Autowired;

import java.util.List;

@Mapper
public interface DishMapper {

    /**
     * 根据分类id查询菜品数量
     * @param categoryId
     * @return
     */
    @Select("select count(id) from dish where category_id = #{categoryId}")
    Integer countByCategoryId(Long categoryId);

    //插入菜品服务
    @AutoFill(value = OperationType.INSERT)
    void insert(Dish dish);

    //菜品分页查询
    Page<DishVO> pageQuery(DishPageQueryDTO dishPageQueryDTO);

    //查询菜品信息
    @Select("select * from dish where id =#{id}")
    Dish getById(Long id);
    //删除菜品 服务
    @Delete("delete from dish where id = #{id}")
    void deleteById(Long id);

    //根据id动态修改菜品
    @AutoFill(value = OperationType.UPDATE)
    void update(Dish dish);
    //动态条件查询菜品
    List<Dish> list(Dish dish);
    @Select("select d.* from dish d left join setmeal_dish s on d.id = s.dish_id where s.setmeal_id = #{id}")
    List<Dish> getBySetmealId(Long id);
    //查询是否关联了套餐
    @Select("select s.* from dish d  right join setmeal_dish s on d.id = s.dish_id where d.id=#{id}")
    List<SetmealDish> getByDishId(Long id);
}
